Leftover food and unwashed dishes cover the dirty counters.

剩饭和没洗的盘子铺满了肮脏的台面。

The leftover food began to smell bad.

剩饭开始发臭了。

He did not like eating leftover food.

他不喜欢吃剩下的食物。

Put your leftover food in this bucket.

把你的剩菜放在这个桶子里。

Before: I'd throw out the leftover food.

以前：剩菜全都扔掉。